Size Guide
This information is an approximate size guide to help you order. 
2 - 22-24 Inch Chest (53-56cm)
3-4 - 24-26 Inch Chest (56-63cm)
5-6 - 26-28 Inch Chest (63-71cm)
7-8 - 28-30 Inch Chest (71-76cm)
9-10 - 30-32 Inch Chest (76-81cm)
11-13 - 32-34 Inch Chest (81-86cm)